Dark Chocolate-Prune Bar Cookies

Ingridients of Dark Chocolate-Prune Bar Cookies:

• 1 cup pitted prunes , finely chopped
• 1 -2 tablespoon cognac or 1 -2 tablespoon Bourbon
• 1 cup all-purpose flour
• 1 cup rolled oat
• 1 cup packed light brown sugar
• 1 cup sliced almonds , lightly toasted and chopped
• 1/2 teaspoon salt
• 1/2 teaspoon ground cinnamon
• 1/2 cup unsalted butter , very soft, plus more for the pan
• 1/2 cup heavy cream
• 1/4 cup lyle's golden syrup
• 3 1/2 ounces bar bittersweet chocolate , chopped
• 1 teaspoon vanilla extract